Koch Filter Corporation
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Koch Filter Maxi-Grid 550 20x140-147 7-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $81.62$55.07Koch Filter Maxi-Grid 550 20x140-147 7-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 135-2020-07 | Mfr Part #: 135-2020-07 Product Overview Koch Filter Maxi-Grid...135-2020-07MSRP: $81.62$55.07 -
Koch Filter Maxi-Grid 550 20x144-150 6-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $77.44$52.25Koch Filter Maxi-Grid 550 20x144-150 6-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 135-2024-06 | Mfr Part #: 135-2024-06 Product Overview Koch Filter Maxi-Grid...135-2024-06MSRP: $77.44$52.25 -
Koch Filter Maxi-Grid 550 20x144-152 8-Link 20x18 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $95.86$64.67Koch Filter Maxi-Grid 550 20x144-152 8-Link 20x18 MERV 8 Air Filter L. Dewitt's SKU #: 135-2018-08 | Mfr Part #: 135-2018-08 Product Overview Koch Filter Maxi-Grid...135-2018-08MSRP: $95.86$64.67 -
Koch Filter Maxi-Grid 550 20x150-156 6-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $78.81$53.17Koch Filter Maxi-Grid 550 20x150-156 6-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 135-2025-06 | Mfr Part #: 135-2025-06 Product Overview Koch Filter Maxi-Grid...135-2025-06MSRP: $78.81$53.17 -
Koch Filter Maxi-Grid 550 20x154-161 7-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $93.42$63.02Koch Filter Maxi-Grid 550 20x154-161 7-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 135-2022-07 | Mfr Part #: 135-2022-07 Product Overview Koch Filter Maxi-Grid...135-2022-07MSRP: $93.42$63.02 -
Koch Filter Maxi-Grid 550 20x160-168 8-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $95.76$64.61Koch Filter Maxi-Grid 550 20x160-168 8-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 135-2020-08 | Mfr Part #: 135-2020-08 Product Overview Koch Filter Maxi-Grid...135-2020-08MSRP: $95.76$64.61 -
Koch Filter Maxi-Grid 550 20x168-175 7-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $90.30$60.93Koch Filter Maxi-Grid 550 20x168-175 7-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 135-2024-07 | Mfr Part #: 135-2024-07 Product Overview Koch Filter Maxi-Grid...135-2024-07MSRP: $90.30$60.93 -
Koch Filter Maxi-Grid 550 20x175-182 7-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $92.43$62.36Koch Filter Maxi-Grid 550 20x175-182 7-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 135-2025-07 | Mfr Part #: 135-2025-07 Product Overview Koch Filter Maxi-Grid...135-2025-07MSRP: $92.43$62.36 -
Koch Filter Maxi-Grid 550 20x176-184 8-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $106.07$71.56Koch Filter Maxi-Grid 550 20x176-184 8-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 135-2022-08 | Mfr Part #: 135-2022-08 Product Overview Koch Filter Maxi-Grid...135-2022-08MSRP: $106.07$71.56 -
Koch Filter Maxi-Grid 550 20x192-200 8-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $102.59$69.21Koch Filter Maxi-Grid 550 20x192-200 8-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 135-2024-08 | Mfr Part #: 135-2024-08 Product Overview Koch Filter Maxi-Grid...135-2024-08MSRP: $102.59$69.21 -
Koch Filter Maxi-Grid 550 20x200-208 8-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $105.99$71.51Koch Filter Maxi-Grid 550 20x200-208 8-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 135-2025-08 | Mfr Part #: 135-2025-08 Product Overview Koch Filter Maxi-Grid...135-2025-08MSRP: $105.99$71.51 -
Koch Filter Maxi-Grid 550 20x32-34 2-Link 20x16 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $21.84$14.73Koch Filter Maxi-Grid 550 20x32-34 2-Link 20x16 MERV 8 Air Filter L. Dewitt's SKU #: 135-2016-02 | Mfr Part #: 135-2016-02 Product Overview Koch Filter Maxi-Grid...135-2016-02MSRP: $21.84$14.73
